Mission Statement

We are dedicated to working with providers, hospitals, clinics and healthcare organizations across the country. Our collaborative approach will ensure that our client’s expectations and goals are met.

Our team has over 40 years of extensive and proven healthcare operations, management, recruiting, team development and leadership experience.

Damian Grzywacz, MHA


Damian grew up in Rochester, NY, after being born in a Polish neighborhood in Chicago, IL. He attended SUNY-Potsdam and the University of Georgia and went on to Seton Hall University for his Masters of Healthcare Administration.  He has been in the Healthcare arena since 2003 and has held leadership positions within Maxim Health, Hospital Corporation of America (HCA) and Universal Health Services (UHS). 

Most recently, Damian co-founded DrCruiter, a leader in Permanent Staffing Solutions.  He currently sits on the Advisory Board for Healthcare Perspectives, a collaboration of information exchange for providers, healthcare groups and hospital systems.  With his passion and enthusiasm for making a difference in Healthcare, he founded Korzen Health in 2019. 

Damian currently resides in Atlanta, Georgia.


Kent McMackin, PhD

Founder/President, Physician Leaders for Today

Kent is a physician leadership talent executive who works exclusively with physicians of all specialties who wish to either transition from clinical medicine to administrative roles or physician executives who desire to further their executive career. He developed a scientific leadership program while working as a Hospital CEO and Physician Services Executive. His employers and clients have included health systems, standalone hospitals, physician-hospital organizations, and physician management service organizations. 

His physician talent acquisition experiences include:

– Chief Recruitment Officer, Senior Vice President Physician Services in for-profit hospital systems and management service organizations
– Chief Executive Officer experience with military, for-profit and not-for-profit health systems and stand-alone hospitals
– Service Line Hospital Administrator – reporting to the Chief Medical Officer; assigned as Hospital Administrator over in-patient, outpatient, ancillary and emergency services
– Mid-level experience includes: in-patient, outpatient and emergency medicine


Jessica Hamlin

COO of Sales and Marketing

Jessica resides in the beautiful city of Denver, Colorado with her Doberman Penelope. She has over 15 years of sales experience and 9 years of experience within the Healthcare Industry, specifically within Physician recruitment. She leads our business development sector and provides a consultative approach. She enjoys connecting with nature, hiking, biking, boating, paddleboarding, cooking, exercising and living a healthy lifestyle.


Peg Gerding

Director of Practice Management

Peg joined Korzen Health in 2020 directing all physician practice management functions. She provides administrative leadership over clinical operations, revenue cycle management and credentialing, working closely with payers and mergers and acquisitions. She has over thirty years of experience in the field and has worked with clinic start-ups at Fortune 500 healthcare systems. Her passion in healthcare has made her one of the most sought-after practice management consultants in the nation.


Jerry Kaminski, PharmD, MPH

Director of Development

Jerry grew up in the tri-state NY/NJ area and attended college at Wake Forest University and Rutgers University, majoring in Chemistry.  After several years of technical work in the molecular diagnostic industry, he continued postgraduate studies at Temple University.  He recently held several consulting roles with Healthcare corporations, focusing on sales and product marketing.  He now brings his business development and technical expertise to the Korzen Health team.

In his off time, he enjoys cycling and mountain biking throughout the North East. He also is a volunteer at ESL classes to practice his foreign language skills.  He’s also a die-hard Phillies and Eagles fan.

Jerry current resides in the New Jersey and Pennsylvania area.


Thina R.

Client Consultant

Thina has an advanced degree in Textile Technology & Designing. He has over 13 years of experience in Healthcare operations and recruitment. Thina has managed entire operations of Healthcare Revenue Cycle Management companies. He has held a position with a Telepsychiatry firm and has vast experience in recruiting psychiatry providers.